The cactus has two main parts. One is found underground, with the roots. The other is found above ground, with the shoots. The shoots are represented by the stem, modified leaves, growth buds, fruits, fruity seeds, and flowers.
It's the thorns on cactus plants and roses that make them both difficult to hold. On both plants, the thorns serve to defend and protect the stem and the flower. But on the cactus, the thorn is a modified leaf. On a rose, the stem has both thorns and regular leaves.
Cactus, like other plants, uses photosynthesis to get energy.
no The term ‘vegetable’ generally means the edible parts of plants, and has little meaning otherwise. The cactus is not a fruit, and so probably falls into the category of “vegetable’.
Yes, holiday cactus plants [Schlumbergera and Zygocactus spp] are poisonous. So not one of their body parts are meant to be chewed, eaten or swallowed. Touching or smelling the body parts isn't a problem. Problems result only with the mistaken notion of the plant and its parts as a source of drink or food.
well a cactus plant has many parts like flowers
There are different plants with different parts but most plants have about 16 parts.
Cactus
Cactus plants use their stems for storage. So that's where starches are stored. In fact, stems are where a cactus plant stores everything. Other, non cactus plants may use their roots for storage. But cactus roots are much too fibrous and shallow.
A cactus competes with other plants for water.
The cactus wren
The most popular plant living in the desert is cactus. There are different kinds of cactus, for example barrel cactus. There are other plants like grasses, shrubs, trees, and wildflowers.
Cactus are native to the Americas, ranging from Patagonia in the south to parts of western Canada in the north. They are often found in drought-ridden areas. Spines and areoles give rise to flowers, which are usually tubular and multi-petaled. Cactus flowers usually have many stamens, but only a single style, which may branch at the end into more than one stigma.